Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-17 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.73 (831.3) | 31.73 (805.9) | -1 (-25.4) -3.1% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 102.82 (2611.61) | 99.68 (2531.81) | -3.14 (-79.8) -3.1% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 7.86 (199.75) | 0 (0) 0% |
| Revolutions per mile (km) | 616.23 (382.91) | 635.65 (394.97) | 19.42 (12.07) 3.2% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.81 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.61 km/h) |
| 40 mph (64.37 km/h) | 38.78 mph (62.41 km/h) |
| 45 mph (72.42 km/h) | 43.63 mph (70.21 km/h) |
| 50 mph (80.47 km/h) | 48.47 mph (78.01 km/h) |
| 55 mph (88.51 km/h) | 53.32 mph (85.81 km/h) |
| 60 mph (96.56 km/h) | 58.17 mph (93.61 km/h) |
| 65 mph (104.61 km/h) | 63.01 mph (101.41 km/h) |
| 70 mph (112.65 km/h) | 67.86 mph (109.21 km/h) |
| 75 mph (120.7 km/h) | 72.71 mph (117.01 km/h) |
| 80 mph (128.75 km/h) | 77.56 mph (124.81 km/h) |
| 85 mph (136.79 km/h) | 82.4 mph (132.61 km/h) |
| 90 mph (144.84 km/h) | 87.25 mph (140.42 km/h) |
| 95 mph (152.89 km/h) | 92.1 mph (148.22 km/h) |
| 100 mph (160.93 km/h) | 96.94 mph (156.02 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1618 | 1879 | 2024 | 2113 | 2210 | 2278 | 2354 | 2444 | 2568 | 2691 | 2829 | 2939 | 3139 | 3359 | 3531 | 3641 | 3703 | 3930 | 4247 | 4935 |
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